Socks are the category where Turkey's position is not a marketing claim but a structural fact: the country is the second largest sock exporter in the world after China, and the sector's own trade body describes it in exactly those terms. The reason is concentration. Several thousand knitting operations, from single-owner workshops with a handful of machines to plants running hundreds, sit inside a handful of Istanbul districts, along with the yarn traders, dyehouses, boarding units, packers and machine service companies that support them. A buyer changing a rib, a gauge or a colour is dealing with a cluster, not a factory.
That density is what makes the category unusual commercially. Sock machines are relatively cheap compared with weaving or garment plants, so capacity is fragmented and competitive, and minimum orders are low by apparel standards. It also means quality varies enormously between suppliers who look identical from outside. The difference between a sock that holds its shape after twenty washes and one that does not is decided by yarn quality, machine gauge, elastane content, how the toe is closed and how the sock is boarded, and none of those are visible in a photograph.
For European buyers the logistics are decisive in a way they are not for bulkier goods. Socks are light, dense and high in unit count, so a full programme moves by road in days and reorders are practical rather than theoretical. Under the EU-Turkey Customs Union an A.TR movement certificate removes customs duty entirely. That combination, low minimums plus fast reorder plus zero duty, is why so many European private label and brand sock programmes are made here rather than further east.